packer



(No Modem 4 Sheets-Sheet 2.

J. F. PAOKBR.

GULTIVATOR.

No. 353,496. Patented NOV. 30, 1886.

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Wmesfe fm1/9.2915037:

(No Model.) 4 Sheets-Sheet 3.

J. F. PAGKER.

GULTIVATOR.

No. 353,496. Patented Nov.. 3o, 1886.

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zii-n 55125 (No Model.) I 4 Sheets-Sheet 4. J. P. PAGKER.

GULTIVAT'OR.

Patented Nov. 30, 1886.

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UNITED STATES PATENT OFFICE.r

JOHN F. PACKER, OF CHICAGO, ILLINOIS, ASSIGNOR TO THE DAVID BRADLEY MANUFACTURING COMPANY, OF SAME PLACE.

CuLTlvAToR.

SPECIFICATION forming part of Letters Patent No. 353,496. dated November 30. 1886.

Application filed February 12, 1885. Serial No. 155,777. (No model.)

To aZZ whom it may concern:

-` Be it known that I, JOHN F. PAOKER, re-

siding at Chicago, in the county of Cook and State of Illinois, and a citizen of the United- States, have invented certain new and useful Improvements in Cultivators, of which the following is a full description, reference being had to theacc'ompanying drawings, in which- Figure l isa top or plan view; Fig. 2, a side elevation with one wheel removed; Fig. 3, a detail showing the forward end of the beam with the spring and the devices coacting therewith, showing also the devices for locking the beam against lateral swing when elevated; Fig. 4, a detail showing the beam in section and the spring and its coacting devices in rear elevation; Fig. 5, adetail, being atop or plan View of the parts shown in Fig. 3; Figs. 6, 7, and 8, details of the plate for the spring and fulcrum; Fig. 9, a side elevation with one wheel removed, showing the beam partly elevated; Fig. l0, a detail showing the slide for the spring-lever reversed.

This invention relates to cultivators of that class employing a spring or spring-power to assist the operator in raising the beams and shovels, and has for its objects to improve the construction and operation of the' spring and the devices coacting therewith, to enable any required degree of tension or lifting power to be given the spring, and to hold the beam when elevated rmly against lateral swing and allow the beam to have free lateral swing when down, and its nature consists in the several parts and combinations of parts hereinafter described, and point-ed out as new in the claims, for attaining the objects sought.

In the drawings, A represents the spring, one beingprovided for each beam. This spring is made of a strip of flat spring-steel in the form of construction shown, which is bent or curved to form a C-spring, or one in which the curvature leaves the ends unattached one to the other, so that one end can be pliable, to have the elasticity extend around the entire curvature of the spring.

B is a support, made of wroughtiron or other suitable material, bent to have two side arms, b, an end bar, b', and an open end, the

space between the side arms beingsoniewhat wider than the width of the spring.

C is a plate, of malleable iron or other material, having at its forward end a recess or Socket, c, to receive one end of the spring A and hold such end in a firm manner, and having at the other end a half eye or hook, c', to receive the end bar, b', of the support or bracket B and form a bearing for the swinging of the support, and this plate C is attached to 6o the top of the beam, near its forward end, by suitable bolts, or in any other firinmanner.

D is a lever pivot-ally mounted in the upper end of the support or fork B on a suitable rod or bolt, d', and having at one end a pin, 65 d, which enters an eye or ring, a, on the free end of the spring A, forming a pivotal connection between the spring and the lever or arm D.

E is a slide mounted on the long arm of the 7o lever D,to come outside of the support or fork B, which slide is adjustable on the arm of the lever D, and is held in any position in which it may be adj usted, as shown, by a set bolt or screw, e', and one face or side of the slide has 75 an arm, e, in the form of construction shown.

F is a rod, the rear end of which has a hook oreye, f, by which it is attached to the arme of the slide E. Y

G is a pendent bolt, the depending or head 8o end of which is provided with a hole, g', to receive a hook or eye, f', on the forward end of the rod F. Y

H is a double-tree, to which is attached the pendant G, which double-tree is mounted on top of the tongue in the form of arrangement shown, and is held in position by the ordinary hammer-strap, h, and a bolt, as usual.

I is a pendant extending down from the end of the double-tree H, and having secured to 9o its lower end a link, I', which receives the forward end of a rod, I, the rear end of which is hooked into an arm, z', on a collar, I3, secured to the axle-spindle, the parts forming the draft connection between the double-tree and axle.

J isarod, the forward end of whichis hooked into the pendant G, and the rear end, j, is made to encircle the spindle portion of the axle inside of the plow-beam.

K K K represent the axle or frame, K beroc ing the lower horizontal or spindle portion thereof, K the vertical portion, and-K the upper horizontal or arch portion.

The parts so far described are duplicated for each side of the machine.

L is a socket having two receiving parts, 7c, one for each upper arch portion, K, of the frame or axle, which socket is secured, in the form of construction shown, by side plates, Z, to the rear end of the tongue L', on which tongue the double-tree is mounted.

M represents the plow-beams, one for each side of the machine, and each having at its forward end a plate or head, M', for attachment to the spindle K by an eyebolt, m, to form a pivotal connection between the forward end of the beam and the spindle.

N represents the standards, N the attaching-brackets,and Nthe shovels for the beams, which parts are only shown to illustrate a complete machine, and are not, therefore, specifically described.

O is4 a stop, made of wrought-iron or other suitable material,bent into a stirrup shape, to have side pieces, o, and an end piece, o', with a depression or recess, o, and secured in position on` the axle-spindle, so as to have the arms o one on eachside of the head'M, by clips a or in any other suitable manner, a stop being provided for each side of the machine.

P is apin projecting up from the forward end of the beam and in such relation with the stop O as to enter the recess o when the beam is raised and be disengaged from such recess -when the beam is down., The engagement of the pin l? with the stop `O locks thebeam with the stop, and as such stop is firm upon the arch or frame it will be seen that the beam is held against lateral' swingwhen elevated, 4and when the beam is down, the beam and stop being disengaged, the beam is free to be swung laterally, as required in use.

Q represents the wheels, of ordinary construction, one for each side of the machine.

The rod F is connected at one end with the slide E on the long arm of the lever D, and

at the other end attached to the double-tree,

and the attachment of the double-tree to the arch-section bythe rod J furnishes a connect-ion between the spring-power, the doubletree, and the frame, by which the relative positions rbetween these parts willA remain unchanged aszthe forward movement of the lframe carries forward the double-tree, and also the spring-connection, and as the rod F remains unchanged in length it follows that the spring maintains the same relative distance from the frame or arch, no matter whether the archsection is carried forward or back by the action of the draft, by which arrangement the spring will always be in the same relation to the beam,

.i and its resisting powers will not be changed by any change forward or back of the archsections.

'lhe fulcrum-support B for the arm'or lever D is a movable one, by which its position can change as the position of the beam is changed, changingthe relation of the fulcrum to the spring, by which means as the beam is raised the free end of the fulcrum B will be carried back, and as the beam is lowered this end of the fulcrum will be carried forward; and this change in the relative position of the fulcrum assistslargely in rendering the spring acting and non-acting, as when the 'beam is thrown down, as shown'in Fig. 2, the bolt or pivot d', forming the fulcrum for the lever D on the supportB, is carried forward from the vertical line through the pivot b of the support or fulcrum B, and at the same time the free end of the spring A,attach ed to the pin d, vis carried back, bringing the three points formed by the pivots b', d, and d nearly in a straight line, the result being that the spring acts to` carry the fulcrum-point forward, and theresistance or p'ower of the spring 4is in a downward diretion,.so as to be non-acting on the beam. The raising of the beam carries back the upper end of B, andleaves the spring free to act and raise the short arm of the lever D, throwing down the long arm thereof, as the three points ljust named are taken out of the straight line, giving the spring the balance of power, and when the beam is elevated the pivotal point of the lever D to the support B, and the point ofattachment of the rod F to the lever D, and the point of attachment of the rodli"l to the pendant G are brought into an approximately straight line, by which the power ofthe spring is overcome,and the beam will maintain itself in its raised position, as the three points last named form, in effect, a lock between the beam and the spring, by which the spring is rendered non-acting; and as the springis non-acting also when the three points iirst vnamed are in ap- VIOO proximate line it will be seen that when the v beam is either elevated or down the spring will act to hold the beam in either position, and at the same time between these two positions the spring is free to act and assist in raising the beam.

The' amount or degree of lock for the beam when in its elevated position can be changed by moving the slide E in or out on the long arm of the lever. The closer the slide is adjusted to the pivotal-point of the lever to its fulcrum B the stronger will be the lock -when the beam is elevated, as the three points will be brought nearer in a straight line, and the farther the slide is adjusted away from the pivotal point,

IIO

of the lever D to the fulcrum B the less the locking-power, as the three points rei-erred to are thrown further out of a straight line, the three points being theypivot of the lever D to the fulcrum B. and the attachment of the rod F to the slide Eand to the pendant G.

The beam when elevated is locked against lateral swing by the stop O and pin l?, and is held by these devices firmly in one position, thereby preventing any swinging of the beam that would strain the spring and its coacting parts and produce injurious effects, such as might arise from the swing of the beam latervally when elevated.

The operation will be readily understood from the foregoing description. The machine when moving from place to place or across the iield and not in use will have the beams in their elevated or raised position, in which position the beams will be held against lateral swing by the stop O and pin P on each beam, and at the same time each beam will be maintained in its raised position by the relation of the pivot between the lever and swinging fulcrum and the points of attachment of the rod F to the slide E and pendant G, which are brought into an approximately straight line, forming a lock by which the spring is made non-acting, but still has the advantage of leverage over the beam, and if it is desired to securely lock the beams in an elevated position the slide E is moved inward on the long arm of the lever, which brings the three points referred to nearer a straight line. The machine in use has the beams thrown down by the operator taking hold of the` handles M, and as the beam is carried down the movable fulcrum B, arm or lever D, and free end of the spring A are made to act as already described, carrying the fulcrum-point forward and the free end of the spring back, and producing a lock by which the spring is rendered essentially non-acting, and the balance of power is given to the beam when down, and at the same time the exertion of a little force on the part of the operator in an upward direction will throw the three points which form the lock between the spring, the lever, and the beam out of a straight line, allowing the spring to act with its full force and assist in raising the beam. The connection of the lifting devices with the double-tree through the rod F maintains the lifting devices in the same relative position to the axle,by which the lifting devices are free to act with their full force irrespective of the position ofthe axle or frame forward or back.

The beam is shown partly elevated in Fig. 9, and, as shown in this figure, the slide E is provided with a series of holes in thevear e, to change the point ot' attachment of the rod F in relation tothe pivot d'; and it will be seen that as the beam is thrown farther up the point ofvattachment of the rod F to the slide E is carried farther down,and at thesame time the pivotal connection between the spring and lever D is carried farther up, bringing the pivotal point dffarther back, so that the` point of attachment of the rod F to the slide E and to the pendant G will come nearer a straightline in relation to the pivot d', and by reversing the slide E, so that the ear e will come vvon the opposite side of the long arm of the lever D, as shown in Fig. l0, these three points just specicd will be brought practically into a straight line, as shown by the detail, Fig. 10.

The slide E enables the point of attachment of the rod F with the long arm of the lever D to be varied in its relation to the pivotal point of the lever w'ith its fulcrum, and this slide might be dispensed with and the rod be attached directly to the lever-arm, the arm being provided with adj Listing-holes for changing the attachment.

Vhat I claim as new, and desire to secure by Letters Patent, is-

l. The combination, with a pivoted plowbeam and a doubletree, of a spring secured to the forward end of said beam, a lever connected with said spring, a movable fulcrum, and a connection between the lever and double-tree, substantially as described.

2. The combination, with the pivoted beam M, of the recessed plate C, having hook c', the spring A, having eye a, the movable fulcrum B, engaged with the hook c', and the lever D, pivotally mounted in the upper end of the fulcrum, and having a pin, d, to engage the eye a of the spring, substantially as described.

3. The combination, with the axle, doubletree, and pivoted beam, of the spring mounted on the forward end of the beam, a movable fulcrum located between the spring and beam, a lever pivotally mounted on said fulcrum and connected with the spring, a rod connecting the lever and double-tree, and connections between the double-tree and axle, substantially as described.

et. The combination, with the spring A, of l the lever D and slide E, for changing the relation between the parts, substantially as and for the purpose specified.

5. The combination, with the spring A and lever D, of the slide E and rod F, substan tially as and for the purpose specified.

6. The combination, with the spring A, fulcrum B, and lever D, of the slide E, substantially as and for the pdrposes specified.

7. The combination, with the spring A, fulcrum B, and lever D, of the slide E and rod F, substantially as and for the purposes specitied.

8. The combination of the spring A, fulcrum B, vand lever D with the slide E, rod F, and double-tree H, substantially as and for the purposes specified.

9. The spring A, fulcrum B, and socket C, in combination with the lever D and a beam, substantiallyas and for the purposesspecited.

10. The spring A, fulcrum B, plate C, and lever D, in combination with slide E, rod F, pendant G, and a plowbeam, substantially as and for the purposes specified.

11. A plow-beam having mounted on its front end a lifting mechanism consisting of a spring, movable fulcrum, and changeable lever, substantially as and for the purpose specitied.

12. The combination, with the movable archsection yand a plow-beam carried thereby, of a lifting mechanism supported on the plowbeam at the forward end and a connection between the lifting mechanism and the doublen ICO IZO

tree, for maintaining the lifting mechanism in the same relative position with the arch, substantially as and for thepurposes specified.

13. The stop O and pin P, in combination with a plowbeam for preventing lateral swing thereof when elevated, substantially as and for the purpose specified.

`l4. The stop O and pin P, in combination with a plow-beam and a lifting mechanism therefor, for preventing lateral swing of the 1o beam andstrain on the lifting mechanism when the beam is elevated, substantially as specilied.

JOHN F. PACKER.

Witnesses:

ALBERT H. ADAMS, O. W. BOND. 

